SQL - Subqueries
Which SQL keyword is used to compare a column value with the result of a subquery in the
WHERE clause?Which SQL keyword is used to compare a column value with the result of a subquery in the WHERE clause?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the keyword for comparing with subquery results
The keywordINis commonly used to check if a value matches any value returned by a subquery.Step 2: Eliminate unrelated keywords
JOINis for combining tables,GROUP BYandORDER BYare for grouping and sorting, not comparison.Final Answer:
IN -> Option CQuick Check:
Subquery comparison keyword = IN [OK]
Quick Trick: Use IN to compare column with subquery results in WHERE [OK]
Common Mistakes:
MISTAKES- Using JOIN instead of IN in WHERE clause
- Confusing GROUP BY with filtering
- Using ORDER BY for filtering
Master "Subqueries" in SQL
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